Why play here instead of an app
No install, no permissions screen, no account wall. Every puzzle runs entirely in your browser, saves locally as you play, and works the same on a phone during a commute as it does on a desktop between tasks.
The same premise as every tool here, just for fun: pick a puzzle and it loads instantly, saves your progress automatically, and never makes you sit through an ad to finish.
The classic number puzzle, playable instantly — no app, no sign-up.
Crossword logic meets number deduction — fill every cell of a 15x15 grid.
Rotate irregular pieces until they click perfectly into place.
No install, no permissions screen, no account wall. Every puzzle runs entirely in your browser, saves locally as you play, and works the same on a phone during a commute as it does on a desktop between tasks.